查询词典 radioactive element

The radioactive fall-out from the death last week in London of Alexander Litvinenko—a former KGB agent who was apparently poisoned with polonium—may have been small (although radioactive traces have been found on aircraft that flew between Moscow and London before Mr Litvinenko's death).

上周发生在伦敦的前俄罗斯克格勃间谍Alexander Litvinenko因为放射性钋210中毒死亡很可能会大事化小，小事化了（尽管这种放射性物质泄漏在Litvinenko死亡案之间曾经在莫斯科与伦敦之间的航班当中发现过）。

The importation of the radioactive isotope, radiation equipment and other radioactive materials should come up to applicable state regulations.

进口放射性同位素、射线装置和含有放射性物质的物品的，按照国家有关规定办理。

Because a radioactive form of argon is produced by decay of a naturally occurring radioactive potassium isotope, it can be used to date rocks and samples more than 100,000 years old.

因为它是稀有天然放射性同位素钾衰变而产生的，所以可以用来测定十万年以上的岩石年龄和采样。属类：-〖化学

The article introduces recently some radioactive source accidents in China, and analyses the reasons of the accidents. Some important issues existed in the process of implementing new regulation were summarized, and some suggestions for managing radioactive sources are made.

本文通过介绍我国发生的一些放射源事故情况，分析事故发生的原因，总结了《放射性同位素与射线装置安全和防护条例》颁布后在实施过程中还存在的一些关键问题，提出了加强放射源管理的对策与建议。

Radioactive waste form performance test is one of the effective measures for ensuring safe disposal of radioactive waste.

放射性废物固化体的性能检验是保障放射性废物安全处置的有效措施之一。

Article 58 Whoever imports radioactive wastes or radioactively polluted articles into the territory of the People's Republic of China or transfers them via the territory of the People's Republic of China shall be ordered by the customs to return the said radioactive wastes or radioactively polluted articles, and shall be imposed upon a fine of not less than 500,000 Yuan but not more than 1,000,000 Yuan in addition; if a crime is constituted, he/it shall be investigated for criminal liabilities.

第五十八条向中华人民共和国境内输入放射性废物和被放射性污染的物品，或者经中华人民共和国境内转移放射性废物和被放射性污染的物品的，由海关责令退运该放射性废物和被放射性污染的物品，并处五十万元以上一百万元以下罚款；构成犯罪的，依法追究刑事责任。

One, in fact, almost all taken from the natural rock, used to bake the tiles in the soil, more or less contain a certain amount of radioelement, of course, will not cause radioactive danger, when more than a certain amount of radioactive material, would pose a threat to human health.

一、事实上，几乎所有采自大自然的岩石、烧制瓷砖用的泥土等，或多或少都含有一定量的放射性元素，当然，并非都会对人体造成放射性危害，只有当放射性物质超过一定数量时，才会对人体健康造成威胁。

The osteoid osteoma was found to have a circular or oval radiolucency which was less than 2 cm in diameter with different degrees of bone sclerosis around the nidus. Of the 9 cases, 5 showed an irregular area with less density on plain X-ray film. CT scanning showed nidus in all cases. MRI showed nidus in 1 case. Radioactive scanning showed radioactive concentration in 4 cases.

骨样骨瘤的影像学表现为一圆形或卵圆形的透亮区，直径cm，其周围有不同程度的骨质硬化。9例X线平片仅5例发现不规则密度减低区，9例CT均清楚显示病灶瘤巢； 1例MRI也观察到类似瘤巢的改变。4例同位素检查均表现为病变区核素浓聚现象。

Score was judged by conditions before and after therapy through half-quantitation grading method according to radioactive distributed defective pulmonary segments combined with radioactive degree of rarefication.

根据放射性分布缺损的肺段及放射稀疏程度相结合的半定量打分法对治疗前后进行评分。

Discharging radioactive waste liquid not by the prescribed means, or discharging radioactive waste liquid by using soakaway, seepage pit, natural crevice, karst cave or by other means prohibited by the State

不按照规定的方式排放放射性废液，利用渗井、渗坑、天然裂隙、溶洞或者国家禁止的其他方式排放放射性废液的

Must have Coordination and negotiation skill, flexible ideas, and be punctilious person.

必须具备较好的协调与谈判能力，头脑灵活，工作认真仔细

Result: 18 patients are all with simple eye.The pigment mole lies in nasal and temple sides of the ball conjunctiva,in which 2 lie in lacrimal caruncle and semilunar plica.

结果：18例患者均为单眼，色素痣大多数位于内外侧睑裂部球结膜面，2例位于泪阜及半月皱襞，经激光治疗后，10例色素痣消失，有5例行再次激光后消失，2例行第三次激光后消失，1例第四次激光后消失。